Cut it out using a craft / stanley / xacto knife or scissors if you really have to.

Print out two copies of the coloured race gates of your choice.

Cut them out.

Join and glue the three parts like you did with the template.

Glue them onto either side of the corrugated cardboard.

GO WHOOP

Making Bases/Feet…

If you have a 3d printer, i have designed some TinyWhoop racing flags / gates feet that have an M6 thread in the base so they can have magnets or suction cups attached and be mounted on walls, windows, ceilings and wherever else your imagination decides!